8100+195x+-x^2=0

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Solution for 8100+195x+-x^2=0 equation:


Simplifying
8100 + 195x + -1x2 = 0

Solving
8100 + 195x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-8100 + -195x + x2 = 0

Move the constant term to the right:

Add '8100' to each side of the equation.
-8100 + -195x + 8100 + x2 = 0 + 8100

Reorder the terms:
-8100 + 8100 + -195x + x2 = 0 + 8100

Combine like terms: -8100 + 8100 = 0
0 + -195x + x2 = 0 + 8100
-195x + x2 = 0 + 8100

Combine like terms: 0 + 8100 = 8100
-195x + x2 = 8100

The x term is -195x.  Take half its coefficient (-97.5).
Square it (9506.25) and add it to both sides.

Add '9506.25' to each side of the equation.
-195x + 9506.25 + x2 = 8100 + 9506.25

Reorder the terms:
9506.25 + -195x + x2 = 8100 + 9506.25

Combine like terms: 8100 + 9506.25 = 17606.25
9506.25 + -195x + x2 = 17606.25

Factor a perfect square on the left side:
(x + -97.5)(x + -97.5) = 17606.25

Calculate the square root of the right side: 132.688545097

Break this problem into two subproblems by setting 
(x + -97.5) equal to 132.688545097 and -132.688545097.

Subproblem 1

x + -97.5 = 132.688545097 Simplifying x + -97.5 = 132.688545097 Reorder the terms: -97.5 + x = 132.688545097 Solving -97.5 + x = 132.688545097 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '97.5' to each side of the equation. -97.5 + 97.5 + x = 132.688545097 + 97.5 Combine like terms: -97.5 + 97.5 = 0.0 0.0 + x = 132.688545097 + 97.5 x = 132.688545097 + 97.5 Combine like terms: 132.688545097 + 97.5 = 230.188545097 x = 230.188545097 Simplifying x = 230.188545097

Subproblem 2

x + -97.5 = -132.688545097 Simplifying x + -97.5 = -132.688545097 Reorder the terms: -97.5 + x = -132.688545097 Solving -97.5 + x = -132.688545097 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '97.5' to each side of the equation. -97.5 + 97.5 + x = -132.688545097 + 97.5 Combine like terms: -97.5 + 97.5 = 0.0 0.0 + x = -132.688545097 + 97.5 x = -132.688545097 + 97.5 Combine like terms: -132.688545097 + 97.5 = -35.188545097 x = -35.188545097 Simplifying x = -35.188545097

Solution

The solution to the problem is based on the solutions from the subproblems. x = {230.188545097, -35.188545097}

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